Groups

diseases caused by group A streptococci (GAS)

- scarlet fever

- acute pharangitis

- rheumatic fever

- nectrotizing fasciitis

- streptococcal impetigo

what bacteria is Group A strep?

S. pyogenes

group A strep are ___ hemolytic

beta

what bacteria is group B strep

S. agalactiae

group B strep are ____ hemolytic

beta

beta hemolytic

completely lyses RBCs

• clear color

what disease does group B strep cause?

neonatal meningitis

viridans strep bacteria

S. mutans ; S. salivarius ; Streptococcus pneumoniae

viridans strep bacteria are ____ hemolytic

alpha

alpha hemolytic

partially lyses RBCs

• greenish brown color

how viridans strep causes endogenous disease

plaque breaks off and goes to the heart, causing a focal infection

which viridans strep causes pneumonia

Streptococcus pneumoniae

number one leading cause of meningitis in babies and older people

Streptococcus pneumoniae

name of meningitis caused by Streptococcus pneumoniae

pneumococcal meningitis

vaccine against pneumococcal meningitis

prevnar

types of pneumococcal diseases

• pneumonia

• meningitis

• otitis media (ear pain and fever)

pneumococcal disease prevention

get the prevnar vaccine

enterococcus is a naturally occurring bacteria, but it is also a ____ bacteria

nosocomial

• people dont wash their hands

2 species of group D enterococci

E. faecalis, E. faecium

when does enterococci really become a problem?

when it becomes resistant to vancomycin

diseases caused by group D enterococcus (E. faecalis, E. faecium)

VRE decubitus ulcer

NARMS

people who keep track of antibiotic usage so that its not overused